Question

find the circumference of the circle with radius 21cm?​

Answer 1

Answer:

It is given that,

Radius of a circle = 21 cm.

We know that π=22/7,

So the circumference of a circle = 2πr

Substituting the values,

=2 x 22/7 x 21

So we get,

=2 x 22 x 3

=132 cm.

Step-by-step explanation:

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